1 /*
2 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2015 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
32 #include "utilities/macros.hpp"
33
34 int AbstractInterpreter::BasicType_as_index(BasicType type) {
35 int i = 0;
36 switch (type) {
37 case T_BOOLEAN: i = 0; break;
38 case T_CHAR : i = 1; break;
39 case T_BYTE : i = 2; break;
40 case T_SHORT : i = 3; break;
41 case T_INT : i = 4; break;
42 case T_LONG : i = 5; break;
43 case T_VOID : i = 6; break;
44 case T_FLOAT : i = 7; break;
45 case T_DOUBLE : i = 8; break;
46 case T_OBJECT : i = 9; break;
47 case T_ARRAY : i = 9; break;
48 default : ShouldNotReachHere();
49 }
50 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, "index out of bounds");
51 return i;
52 }
53
54 // These should never be compiled since the interpreter will prefer
55 // the compiled version to the intrinsic version.
56 bool AbstractInterpreter::can_be_compiled(methodHandle m) {
57 switch (method_kind(m)) {
58 case Interpreter::java_lang_math_sin : // fall thru
59 case Interpreter::java_lang_math_cos : // fall thru
60 case Interpreter::java_lang_math_tan : // fall thru
61 case Interpreter::java_lang_math_abs : // fall thru
62 case Interpreter::java_lang_math_log : // fall thru
63 case Interpreter::java_lang_math_log10 : // fall thru
64 case Interpreter::java_lang_math_sqrt : // fall thru
65 case Interpreter::java_lang_math_pow : // fall thru
66 case Interpreter::java_lang_math_exp : // fall thru
67 case Interpreter::java_lang_math_fmaD : // fall thru
68 case Interpreter::java_lang_math_fmaF :
69 return false;
70 default:
71 return true;
72 }
73 }
74
75 // How much stack a method activation needs in stack slots.
76 // We must calc this exactly like in generate_fixed_frame.
77 // Note: This returns the conservative size assuming maximum alignment.
78 int AbstractInterpreter::size_top_interpreter_activation(Method* method) {
79 const int max_alignment_size = 2;
80 const int abi_scratch = frame::abi_reg_args_size;
81 return method->max_locals() + method->max_stack() +
82 frame::interpreter_frame_monitor_size() + max_alignment_size + abi_scratch;
83 }
84
85 // Returns number of stackElementWords needed for the interpreter frame with the
86 // given sections.
87 // This overestimates the stack by one slot in case of alignments.
88 int AbstractInterpreter::size_activation(int max_stack,
89 int temps,
90 int extra_args,
91 int monitors,
92 int callee_params,
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1 /*
2 * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2015 SAP SE. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
32 #include "utilities/macros.hpp"
33
34 int AbstractInterpreter::BasicType_as_index(BasicType type) {
35 int i = 0;
36 switch (type) {
37 case T_BOOLEAN: i = 0; break;
38 case T_CHAR : i = 1; break;
39 case T_BYTE : i = 2; break;
40 case T_SHORT : i = 3; break;
41 case T_INT : i = 4; break;
42 case T_LONG : i = 5; break;
43 case T_VOID : i = 6; break;
44 case T_FLOAT : i = 7; break;
45 case T_DOUBLE : i = 8; break;
46 case T_OBJECT : i = 9; break;
47 case T_ARRAY : i = 9; break;
48 default : ShouldNotReachHere();
49 }
50 assert(0 <= i && i < AbstractInterpreter::number_of_result_handlers, "index out of bounds");
51 return i;
52 }
53
54 // How much stack a method activation needs in stack slots.
55 // We must calc this exactly like in generate_fixed_frame.
56 // Note: This returns the conservative size assuming maximum alignment.
57 int AbstractInterpreter::size_top_interpreter_activation(Method* method) {
58 const int max_alignment_size = 2;
59 const int abi_scratch = frame::abi_reg_args_size;
60 return method->max_locals() + method->max_stack() +
61 frame::interpreter_frame_monitor_size() + max_alignment_size + abi_scratch;
62 }
63
64 // Returns number of stackElementWords needed for the interpreter frame with the
65 // given sections.
66 // This overestimates the stack by one slot in case of alignments.
67 int AbstractInterpreter::size_activation(int max_stack,
68 int temps,
69 int extra_args,
70 int monitors,
71 int callee_params,
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